DE60122722D1 - MOS-Stromerfassungsschaltung - Google Patents

MOS-Stromerfassungsschaltung

Info

Publication number
DE60122722D1
DE60122722D1 DE60122722T DE60122722T DE60122722D1 DE 60122722 D1 DE60122722 D1 DE 60122722D1 DE 60122722 T DE60122722 T DE 60122722T DE 60122722 T DE60122722 T DE 60122722T DE 60122722 D1 DE60122722 D1 DE 60122722D1
Authority
DE
Germany
Prior art keywords
mos transistor
coupled
control signal
drain
source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60122722T
Other languages
English (en)
Inventor
Manfred Plankensteiner
Horst Knoedgen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dialog Semiconductor GmbH
Original Assignee
Dialog Semiconductor GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dialog Semiconductor GmbH filed Critical Dialog Semiconductor GmbH
Application granted granted Critical
Publication of DE60122722D1 publication Critical patent/DE60122722D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16504—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed
    • G01R19/16519—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the components employed using FET's
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Electrical Variables (AREA)
  • Amplifiers (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Stepping Motors (AREA)
  • Read Only Memory (AREA)
DE60122722T 2001-09-26 2001-09-26 MOS-Stromerfassungsschaltung Expired - Fee Related DE60122722D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01480092A EP1298801B1 (de) 2001-09-26 2001-09-26 MOS-Stromerfassungsschaltung

Publications (1)

Publication Number Publication Date
DE60122722D1 true DE60122722D1 (de) 2006-10-12

Family

ID=8183411

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60122722T Expired - Fee Related DE60122722D1 (de) 2001-09-26 2001-09-26 MOS-Stromerfassungsschaltung

Country Status (4)

Country Link
US (1) US6479975B1 (de)
EP (1) EP1298801B1 (de)
AT (1) ATE338377T1 (de)
DE (1) DE60122722D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004516458A (ja) * 2000-10-13 2004-06-03 プリマリオン， インコーポレイテッド 電流センシングのためのシステムおよび方法
US7061210B1 (en) 2003-04-21 2006-06-13 National Semiconductor Corporation Controllable current trip-point detection circuit
US7187157B1 (en) * 2003-12-05 2007-03-06 Lattice Semiconductor Corporation Power supply remote voltage sensing
EP1607754A1 (de) * 2004-06-14 2005-12-21 Dialog Semiconductor GmbH Schaltungsanordnung zur Überwachung von durch eine Last fliessenden Strömen
EP1608053A1 (de) * 2004-06-14 2005-12-21 Dialog Semiconductor GmbH Analoge Strommessschaltung
JP2006081363A (ja) * 2004-09-13 2006-03-23 Rohm Co Ltd コイル負荷駆動回路及びそれを備えた光ディスク装置
US7541796B2 (en) * 2005-07-06 2009-06-02 Micrel, Incorporated MOSFET triggered current boosting technique for power devices
US7915870B2 (en) * 2005-09-09 2011-03-29 Semiconductor Components Industries, Llc Method of forming a current sense circuit and structure therefor
US7994766B2 (en) * 2008-05-30 2011-08-09 Freescale Semiconductor, Inc. Differential current sensor device and method
EP2144356B1 (de) * 2008-07-09 2019-06-26 Dialog Semiconductor GmbH Abwärtswandlerschwellenerkennung für einen automatischen Impulsüberspringungsmodus
IT1394158B1 (it) 2008-09-19 2012-05-25 St Microelectronics Srl Circuito per comparare una corrente di ingresso con una corrente di soglia
JP2010226916A (ja) * 2009-03-25 2010-10-07 Sanken Electric Co Ltd スイッチング電源装置、及びその制御回路
JP2012139088A (ja) 2010-12-06 2012-07-19 Seiko Instruments Inc セルバランス装置およびバッテリシステム
JP2013046433A (ja) 2011-08-22 2013-03-04 Seiko Instruments Inc セルバランス装置およびバッテリシステム
US8854065B2 (en) * 2012-01-13 2014-10-07 Infineon Technologies Austria Ag Current measurement in a power transistor
DE102013204877A1 (de) * 2013-03-20 2014-09-25 Continental Teves Ag & Co. Ohg Verfahren und elektronische Schaltungsanordnung zur Regelung eines Laststroms in einem Kraftfahrzeugsteuergerät
EP2933645B1 (de) * 2014-04-16 2020-02-12 Dialog Semiconductor (UK) Limited Arbeitsphasenunabhängiger Komparator
US9720020B2 (en) * 2014-05-28 2017-08-01 Nxp B.V. Broad-range current measurement using variable resistance
US9891249B2 (en) * 2014-05-28 2018-02-13 Nxp B.V. Broad-range current measurement using duty cycling
EP2961246B1 (de) * 2014-06-26 2016-12-21 Dialog Semiconductor (UK) Limited LED-Netzspannungsmessung mit einem Stromspiegel
CN105988032B (zh) * 2015-01-27 2019-01-29 帝奥微电子有限公司 电流检测电路
CN107783582B (zh) * 2017-09-27 2020-09-11 思瑞浦微电子科技（苏州）股份有限公司 用于多电压域控制信号的产生电路
US10338621B1 (en) * 2018-09-11 2019-07-02 Texas Instruments Incorporated Voltage regulator in USB power delivery integrated circuit
US10666147B1 (en) * 2018-11-14 2020-05-26 Navitas Semiconductor, Inc. Resonant converter control based on zero current detection
US10742206B2 (en) 2018-11-21 2020-08-11 Dialog Semiconductor (Uk) Limited Switching circuit
US10838444B1 (en) * 2019-07-25 2020-11-17 Semiconductor Components Industries, Llc Adaptive constant current engine
US20220341973A1 (en) * 2021-04-21 2022-10-27 Cirrus Logic International Semiconductor Ltd. Temperature-insensitive current sensing for power stage

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4553084A (en) * 1984-04-02 1985-11-12 Motorola, Inc. Current sensing circuit
JPH079442B2 (ja) * 1989-09-20 1995-02-01 株式会社東芝 電流検出回路
US5079456A (en) * 1990-11-05 1992-01-07 Motorola, Inc. Current monitoring and/or regulation for sense FET's
JP3031059B2 (ja) * 1992-05-15 2000-04-10 日産自動車株式会社 負荷短絡保護機能付きｍｏｓ形パワー素子
GB9222455D0 (en) * 1992-10-26 1992-12-09 Philips Electronics Uk Ltd A current sensing circuit
US5563504A (en) * 1994-05-09 1996-10-08 Analog Devices, Inc. Switching bandgap voltage reference
US5572161A (en) * 1995-06-30 1996-11-05 Harris Corporation Temperature insensitive filter tuning network and method
JP2914231B2 (ja) * 1995-07-26 1999-06-28 日本電気株式会社 電流検出回路
US5838192A (en) * 1996-01-17 1998-11-17 Analog Devices, Inc. Junction field effect voltage reference
JP3627385B2 (ja) * 1996-06-28 2005-03-09 株式会社デンソー 電流検出機能を有する負荷電流供給回路
US5867014A (en) * 1997-11-20 1999-02-02 Impala Linear Corporation Current sense circuit having multiple pilot and reference transistors
EP0994403B1 (de) * 1998-10-15 2003-05-21 Lucent Technologies Inc. Stromspiegelschaltung
US6166530A (en) * 2000-02-11 2000-12-26 Advanced Analogic Technologies, Inc. Current-Limited switch with fast transient response

Also Published As

Publication number Publication date
EP1298801A1 (de) 2003-04-02
EP1298801B1 (de) 2006-08-30
US6479975B1 (en) 2002-11-12
ATE338377T1 (de) 2006-09-15

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee